diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 419dd3c..193722d 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -420,10 +420,8 @@
 	if (up->port.info == NULL)
 		goto ack_tx_int;
 	xmit = &up->port.info->xmit;
-	if (uart_circ_empty(xmit)) {
-		uart_write_wakeup(&up->port);
+	if (uart_circ_empty(xmit))
 		goto ack_tx_int;
-	}
 	if (uart_tx_stopped(&up->port))
 		goto ack_tx_int;